721868922

素因数分解:

$2^1\times 3^6\times {\mathrm{495109}}^1$

素因数の和:495129

約数の個数: 28

約数和(自身を含む): 1623465690

約数和(自身を除く): 901596768

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 81, 162, 243, 486, 729, 1458, 495109, 990218, 1485327, 2970654, 4455981, 8911962, 13367943, 26735886, 40103829, 80207658, 120311487, 240622974, 360934461, 721868922]

約数ペア:

[(1, 721868922), (2, 360934461), (3, 240622974), (6, 120311487), (9, 80207658), (18, 40103829), (27, 26735886), (54, 13367943), (81, 8911962), (162, 4455981), (243, 2970654), (486, 1485327), (729, 990218), (1458, 495109)]